CSLB C10 Test 1 | 120 Questions and Answers (2025 / 2026) (Verified Answers) COMPLETE FREQUENTLY MOST TESTED QUESTIONS WITH COMPLETE SOLUTION /GET IT 100% ACCURATE!(Graded A+)

CSLB C10 Test 1
Questions and Answers
Updated Latest (Verified Answers)


1. What is the minimum working clearance from an electrical panel under 600 V?
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ANSWER 36" g




2. Voltage drop in wire is a function of
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ANSWER Wire gauge, Length of wire, Current flow in the wire
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3. A 12-volt direct current,13-
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watt fluorescent light is controlled by a photocell. The average daily on-
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time is 12 hours per day. How many watt-
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hours are consumed by the light on an average day?
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ANSWER 156 g




4. Where may you use nonmetallic-sheathed cable?
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ANSWER inside floors and walls g g g g




5. What is the maximum permitted distance between convenience outlets in kitchens?
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ANSWER 12' g




6. The minimum permitted size fixture wire is
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ANSWER No. 18 g g



1g/g2
1

,7. What is an Erickson coupling used for?
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ANSWER to connect two sections of rigid conduit when one section cannot be turned
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8. The smallest size grounding conductor permitted for service entrance is
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ANSWER -No. 8 copper g g g




9. For an electric appliance with a 17.5 A load, the overcurrent device must not exceed
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ANSWER 25 amps g g




10. A 5 kW appliance is used for 5 hours. At $0.014 per kWh,the cost of running the appliance
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is

ANSWER $0.35 g




11. If the plumber accidentally cuts installed wires, to whom should you report the problem
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?

ANSWER general contractor g g




12. What is the maximum distance to an outlet from any point along the wall behind a kit
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chen counter?
g




ANSWER 24" g




13. Which of the following materials is not corrosive?
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ANSWER enamel g




14. 65 street lights are fed by a 2275-
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2g/g2
1

, volt series circuit. What is the voltage across each light?
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ANSWER 35 V g g




15. What do you not take into consideration when doing load demand calcu- lations?
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ANSWER small portable heating and cooling appliances
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16. The symbol represents a
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ANSWER relay coil g g




17. A fixture that weighs more than
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must be supported independently of an outlet box.
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ANSWER 50 lb. g g




18. After installing a new A/C how would you test it?
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ANSWER turn on the breaker and check voltage
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3g/g2
1